How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/22100.0*Chance in playoffs100.0*Average seed
JMatz 79 Brah 95 +19.7
+0.9
Sha 65 BShan 109 -5.4
-0.1
DShan 91 Pulver 101 +2.2
+0.1
Doud 74 Pat Doud 115 -0.5
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Brah 104 Phil 86 +8.6
+0.5
BShan 118 Lotze 91 -2.9
-0.1
Doud 131 James 135 +2.6
+0.1
DShan 128 Sasaki 115 -2.3
-0.1
JMatz 152 Karl 94 +0.6
Pat Doud 95 Pulver 111 +0.6
+0.2
Sha 127 RK 122 -0.5
-0.2
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
DShan vs Brah-1.0+0.6
BShan vs Karl-0.1+0.2
Sha vs Pat Doud-0.1+0.1

What If

Chances based on how well the Brah finish out the regular season.   Explain

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567Count
81-0-0In6731232,794,859
70-1-0In31383121,203,773
Total:In4131161253,998,632
Games Above .500
Chance Will Make Playoffs